2015-12-18 05:12:53 +00:00
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/*************************************************************************/
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2017-01-08 20:29:57 +00:00
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/* joypad_linux.cpp */
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2015-12-18 05:12:53 +00:00
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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2017-08-27 12:16:55 +00:00
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/* https://godotengine.org */
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2015-12-18 05:12:53 +00:00
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/*************************************************************************/
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2022-01-03 20:27:34 +00:00
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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2015-12-18 05:12:53 +00:00
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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2015-12-21 21:39:03 +00:00
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#ifdef JOYDEV_ENABLED
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2015-12-18 05:12:53 +00:00
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2017-01-08 20:29:57 +00:00
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#include "joypad_linux.h"
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2015-12-18 05:12:53 +00:00
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2021-01-26 13:06:19 +00:00
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#include <dirent.h>
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2017-03-05 15:44:50 +00:00
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#include <errno.h>
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#include <fcntl.h>
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2016-01-26 22:04:57 +00:00
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#include <linux/input.h>
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2015-12-18 05:12:53 +00:00
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#include <unistd.h>
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2016-01-26 22:04:57 +00:00
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2016-02-15 14:09:48 +00:00
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#ifdef UDEV_ENABLED
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2021-02-17 10:28:27 +00:00
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#include "libudev-so_wrap.h"
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2016-02-15 14:09:48 +00:00
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#endif
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2017-03-05 15:44:50 +00:00
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#define LONG_BITS (sizeof(long) * 8)
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#define test_bit(nr, addr) (((1UL << ((nr) % LONG_BITS)) & ((addr)[(nr) / LONG_BITS])) != 0)
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#define NBITS(x) ((((x)-1) / LONG_BITS) + 1)
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2015-12-18 05:12:53 +00:00
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2016-07-03 21:19:22 +00:00
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#ifdef UDEV_ENABLED
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2017-03-05 15:44:50 +00:00
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static const char *ignore_str = "/dev/input/js";
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2016-07-03 21:19:22 +00:00
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#endif
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2015-12-18 05:12:53 +00:00
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2017-01-08 21:22:00 +00:00
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JoypadLinux::Joypad::~Joypad() {
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2016-01-26 22:04:57 +00:00
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for (int i = 0; i < MAX_ABS; i++) {
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if (abs_info[i]) {
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memdelete(abs_info[i]);
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}
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}
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::Joypad::reset() {
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2021-08-13 21:31:57 +00:00
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dpad = HatMask::CENTER;
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2017-03-05 15:44:50 +00:00
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fd = -1;
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for (int i = 0; i < MAX_ABS; i++) {
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2015-12-18 18:15:32 +00:00
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abs_map[i] = -1;
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2021-12-25 09:29:08 +00:00
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curr_axis[i] = 0;
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2015-12-18 18:15:32 +00:00
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}
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2015-12-18 05:12:53 +00:00
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}
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2020-04-28 13:19:37 +00:00
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JoypadLinux::JoypadLinux(Input *in) {
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2021-02-17 10:28:27 +00:00
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#ifdef UDEV_ENABLED
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2021-02-19 23:13:33 +00:00
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#ifdef DEBUG_ENABLED
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int dylibloader_verbose = 1;
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#else
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int dylibloader_verbose = 0;
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#endif
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use_udev = initialize_libudev(dylibloader_verbose) == 0;
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2021-02-17 10:28:27 +00:00
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if (use_udev) {
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print_verbose("JoypadLinux: udev enabled and loaded successfully.");
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} else {
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print_verbose("JoypadLinux: udev enabled, but couldn't be loaded. Falling back to /dev/input to detect joypads.");
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}
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#else
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print_verbose("JoypadLinux: udev disabled, parsing /dev/input to detect joypads.");
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#endif
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2015-12-18 18:15:32 +00:00
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input = in;
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2021-01-19 12:29:41 +00:00
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joy_thread.start(joy_thread_func, this);
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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JoypadLinux::~JoypadLinux() {
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2021-02-10 18:22:13 +00:00
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exit_monitor.set();
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2021-01-19 12:29:41 +00:00
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joy_thread.wait_to_finish();
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2017-01-08 20:05:51 +00:00
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close_joypad();
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::joy_thread_func(void *p_user) {
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2015-12-18 18:15:32 +00:00
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if (p_user) {
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2017-03-05 15:44:50 +00:00
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JoypadLinux *joy = (JoypadLinux *)p_user;
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2017-01-08 20:05:51 +00:00
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joy->run_joypad_thread();
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2015-12-18 18:15:32 +00:00
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}
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::run_joypad_thread() {
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2016-02-14 14:13:11 +00:00
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#ifdef UDEV_ENABLED
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2021-02-17 10:28:27 +00:00
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if (use_udev) {
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udev *_udev = udev_new();
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if (!_udev) {
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use_udev = false;
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2021-02-18 09:28:37 +00:00
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ERR_PRINT("Failed getting an udev context, falling back to parsing /dev/input.");
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monitor_joypads();
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} else {
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enumerate_joypads(_udev);
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monitor_joypads(_udev);
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udev_unref(_udev);
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2021-02-17 10:28:27 +00:00
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}
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} else {
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monitor_joypads();
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}
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2016-02-14 14:13:11 +00:00
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#else
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2017-01-08 20:05:51 +00:00
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monitor_joypads();
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2016-02-14 14:13:11 +00:00
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#endif
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2015-12-18 05:12:53 +00:00
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}
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2016-02-14 14:13:11 +00:00
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#ifdef UDEV_ENABLED
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::enumerate_joypads(udev *p_udev) {
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2015-12-18 18:15:32 +00:00
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udev_enumerate *enumerate;
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udev_list_entry *devices, *dev_list_entry;
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udev_device *dev;
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enumerate = udev_enumerate_new(p_udev);
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2017-03-05 15:44:50 +00:00
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udev_enumerate_add_match_subsystem(enumerate, "input");
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2015-12-18 18:15:32 +00:00
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udev_enumerate_scan_devices(enumerate);
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devices = udev_enumerate_get_list_entry(enumerate);
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udev_list_entry_foreach(dev_list_entry, devices) {
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2017-03-05 15:44:50 +00:00
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const char *path = udev_list_entry_get_name(dev_list_entry);
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2015-12-18 18:15:32 +00:00
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dev = udev_device_new_from_syspath(p_udev, path);
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2017-03-05 15:44:50 +00:00
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const char *devnode = udev_device_get_devnode(dev);
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2015-12-18 18:15:32 +00:00
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2016-01-26 22:04:57 +00:00
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if (devnode) {
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String devnode_str = devnode;
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if (devnode_str.find(ignore_str) == -1) {
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2020-02-26 10:28:13 +00:00
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MutexLock lock(joy_mutex);
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2017-01-08 20:05:51 +00:00
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open_joypad(devnode);
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2016-01-26 22:04:57 +00:00
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}
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2015-12-18 18:15:32 +00:00
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}
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udev_device_unref(dev);
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}
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udev_enumerate_unref(enumerate);
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::monitor_joypads(udev *p_udev) {
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2020-04-01 23:20:12 +00:00
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udev_device *dev = nullptr;
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2015-12-18 18:15:32 +00:00
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udev_monitor *mon = udev_monitor_new_from_netlink(p_udev, "udev");
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2020-04-01 23:20:12 +00:00
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udev_monitor_filter_add_match_subsystem_devtype(mon, "input", nullptr);
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2015-12-18 18:15:32 +00:00
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udev_monitor_enable_receiving(mon);
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int fd = udev_monitor_get_fd(mon);
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2015-12-18 05:12:53 +00:00
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2021-02-10 18:22:13 +00:00
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while (!exit_monitor.is_set()) {
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2015-12-18 18:15:32 +00:00
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fd_set fds;
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struct timeval tv;
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int ret;
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2015-12-18 05:12:53 +00:00
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2015-12-18 18:15:32 +00:00
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FD_ZERO(&fds);
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FD_SET(fd, &fds);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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2015-12-18 05:12:53 +00:00
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2020-04-01 23:20:12 +00:00
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ret = select(fd + 1, &fds, nullptr, nullptr, &tv);
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2015-12-18 05:12:53 +00:00
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2015-12-18 18:15:32 +00:00
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/* Check if our file descriptor has received data. */
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if (ret > 0 && FD_ISSET(fd, &fds)) {
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/* Make the call to receive the device.
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2016-01-26 22:04:57 +00:00
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select() ensured that this will not block. */
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2015-12-18 18:15:32 +00:00
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dev = udev_monitor_receive_device(mon);
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2015-12-18 05:12:53 +00:00
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2021-04-05 12:02:50 +00:00
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if (dev && udev_device_get_devnode(dev) != nullptr) {
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2020-02-26 10:28:13 +00:00
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MutexLock lock(joy_mutex);
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2016-01-26 22:04:57 +00:00
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String action = udev_device_get_action(dev);
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2017-03-05 15:44:50 +00:00
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const char *devnode = udev_device_get_devnode(dev);
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2016-01-26 22:04:57 +00:00
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if (devnode) {
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String devnode_str = devnode;
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if (devnode_str.find(ignore_str) == -1) {
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2021-04-05 12:09:59 +00:00
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if (action == "add") {
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2017-01-08 20:05:51 +00:00
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open_joypad(devnode);
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2021-04-05 12:09:59 +00:00
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} else if (String(action) == "remove") {
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2017-01-08 20:05:51 +00:00
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close_joypad(get_joy_from_path(devnode));
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2021-04-05 12:09:59 +00:00
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}
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2016-01-26 22:04:57 +00:00
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}
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2015-12-18 18:15:32 +00:00
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}
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2015-12-18 05:12:53 +00:00
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2015-12-18 18:15:32 +00:00
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udev_device_unref(dev);
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}
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}
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usleep(50000);
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}
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udev_monitor_unref(mon);
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2015-12-18 05:12:53 +00:00
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}
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2016-02-14 14:13:11 +00:00
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#endif
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::monitor_joypads() {
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2021-02-10 18:22:13 +00:00
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while (!exit_monitor.is_set()) {
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2020-02-26 10:28:13 +00:00
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{
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MutexLock lock(joy_mutex);
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2021-01-26 13:06:19 +00:00
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DIR *input_directory;
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input_directory = opendir("/dev/input");
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if (input_directory) {
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struct dirent *current;
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2020-02-26 10:28:13 +00:00
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char fname[64];
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2021-01-26 13:06:19 +00:00
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2021-04-05 12:02:50 +00:00
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while ((current = readdir(input_directory)) != nullptr) {
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2021-01-26 13:06:19 +00:00
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if (strncmp(current->d_name, "event", 5) != 0) {
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continue;
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}
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sprintf(fname, "/dev/input/%.*s", 16, current->d_name);
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if (attached_devices.find(fname) == -1) {
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open_joypad(fname);
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}
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2020-02-26 10:28:13 +00:00
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}
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2016-02-14 14:13:11 +00:00
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}
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2021-01-26 13:06:19 +00:00
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closedir(input_directory);
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2016-02-14 14:13:11 +00:00
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}
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usleep(1000000); // 1s
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}
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}
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2015-12-18 05:12:53 +00:00
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2017-01-08 21:22:00 +00:00
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int JoypadLinux::get_joy_from_path(String p_path) const {
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2017-01-08 20:05:51 +00:00
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for (int i = 0; i < JOYPADS_MAX; i++) {
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if (joypads[i].devpath == p_path) {
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2015-12-18 18:15:32 +00:00
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return i;
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}
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}
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return -2;
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2015-12-18 05:12:53 +00:00
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}
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2017-01-08 21:22:00 +00:00
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void JoypadLinux::close_joypad(int p_id) {
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2015-12-18 18:15:32 +00:00
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if (p_id == -1) {
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2017-03-05 15:44:50 +00:00
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for (int i = 0; i < JOYPADS_MAX; i++) {
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2017-01-08 20:05:51 +00:00
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close_joypad(i);
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2015-12-18 18:15:32 +00:00
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};
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return;
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2020-05-14 14:41:43 +00:00
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} else if (p_id < 0) {
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2017-03-05 15:44:50 +00:00
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return;
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2020-05-14 14:41:43 +00:00
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}
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2015-12-18 05:12:53 +00:00
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2017-01-08 20:05:51 +00:00
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Joypad &joy = joypads[p_id];
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2015-12-18 05:12:53 +00:00
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2015-12-18 18:15:32 +00:00
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if (joy.fd != -1) {
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close(joy.fd);
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joy.fd = -1;
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2021-07-03 22:17:03 +00:00
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attached_devices.remove_at(attached_devices.find(joy.devpath));
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2015-12-18 18:15:32 +00:00
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input->joy_connection_changed(p_id, false, "");
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};
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2016-07-21 19:11:34 +00:00
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}
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2015-12-18 05:12:53 +00:00
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static String _hex_str(uint8_t p_byte) {
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2017-03-05 15:44:50 +00:00
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static const char *dict = "0123456789abcdef";
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2015-12-18 18:15:32 +00:00
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char ret[3];
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ret[2] = 0;
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2015-12-18 05:12:53 +00:00
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2017-03-05 15:44:50 +00:00
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ret[0] = dict[p_byte >> 4];
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2015-12-18 18:15:32 +00:00
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ret[1] = dict[p_byte & 0xF];
|
2015-12-18 05:12:53 +00:00
|
|
|
|
2015-12-18 18:15:32 +00:00
|
|
|
return ret;
|
2016-07-21 19:11:34 +00:00
|
|
|
}
|
2015-12-18 05:12:53 +00:00
|
|
|
|
2017-01-08 21:22:00 +00:00
|
|
|
void JoypadLinux::setup_joypad_properties(int p_id) {
|
2017-03-05 15:44:50 +00:00
|
|
|
Joypad *joy = &joypads[p_id];
|
2016-01-26 22:04:57 +00:00
|
|
|
|
|
|
|
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
|
|
|
|
unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
|
2016-01-02 02:52:44 +00:00
|
|
|
|
|
|
|
int num_buttons = 0;
|
|
|
|
int num_axes = 0;
|
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
if ((ioctl(joy->fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
|
2017-03-05 15:44:50 +00:00
|
|
|
(ioctl(joy->fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
|
2016-01-26 22:04:57 +00:00
|
|
|
return;
|
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
for (int i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
|
2016-01-26 22:04:57 +00:00
|
|
|
if (test_bit(i, keybit)) {
|
2016-01-02 02:52:44 +00:00
|
|
|
joy->key_map[i] = num_buttons++;
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
for (int i = BTN_MISC; i < BTN_JOYSTICK; ++i) {
|
2016-01-26 22:04:57 +00:00
|
|
|
if (test_bit(i, keybit)) {
|
2016-01-02 02:52:44 +00:00
|
|
|
joy->key_map[i] = num_buttons++;
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
for (int i = 0; i < ABS_MISC; ++i) {
|
|
|
|
/* Skip hats */
|
|
|
|
if (i == ABS_HAT0X) {
|
|
|
|
i = ABS_HAT3Y;
|
|
|
|
continue;
|
|
|
|
}
|
2016-01-26 22:04:57 +00:00
|
|
|
if (test_bit(i, absbit)) {
|
2016-01-02 02:52:44 +00:00
|
|
|
joy->abs_map[i] = num_axes++;
|
2016-01-26 22:04:57 +00:00
|
|
|
joy->abs_info[i] = memnew(input_absinfo);
|
|
|
|
if (ioctl(joy->fd, EVIOCGABS(i), joy->abs_info[i]) < 0) {
|
|
|
|
memdelete(joy->abs_info[i]);
|
2020-04-01 23:20:12 +00:00
|
|
|
joy->abs_info[i] = nullptr;
|
2016-01-26 22:04:57 +00:00
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
|
|
|
}
|
2015-12-18 05:12:53 +00:00
|
|
|
|
2016-06-15 05:25:35 +00:00
|
|
|
joy->force_feedback = false;
|
|
|
|
joy->ff_effect_timestamp = 0;
|
|
|
|
unsigned long ffbit[NBITS(FF_CNT)];
|
|
|
|
if (ioctl(joy->fd, EVIOCGBIT(EV_FF, sizeof(ffbit)), ffbit) != -1) {
|
|
|
|
if (test_bit(FF_RUMBLE, ffbit)) {
|
|
|
|
joy->force_feedback = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2016-01-26 22:04:57 +00:00
|
|
|
|
2017-01-08 21:22:00 +00:00
|
|
|
void JoypadLinux::open_joypad(const char *p_path) {
|
2017-02-21 16:02:49 +00:00
|
|
|
int joy_num = input->get_unused_joy_id();
|
2016-06-15 05:25:35 +00:00
|
|
|
int fd = open(p_path, O_RDWR | O_NONBLOCK);
|
2015-12-18 18:15:32 +00:00
|
|
|
if (fd != -1 && joy_num != -1) {
|
2016-01-26 22:04:57 +00:00
|
|
|
unsigned long evbit[NBITS(EV_MAX)] = { 0 };
|
|
|
|
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
|
|
|
|
unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-02-14 14:13:11 +00:00
|
|
|
// add to attached devices so we don't try to open it again
|
|
|
|
attached_devices.push_back(String(p_path));
|
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
|
2017-03-05 15:44:50 +00:00
|
|
|
(ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
|
|
|
|
(ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
|
2016-02-01 12:39:50 +00:00
|
|
|
close(fd);
|
2015-12-18 18:15:32 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-07-22 09:16:35 +00:00
|
|
|
// Check if the device supports basic gamepad events
|
2022-02-04 03:56:43 +00:00
|
|
|
bool has_abs_left = (test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit));
|
|
|
|
bool has_abs_right = (test_bit(ABS_RX, absbit) && test_bit(ABS_RY, absbit));
|
|
|
|
if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) && (has_abs_left || has_abs_right))) {
|
2016-01-26 22:04:57 +00:00
|
|
|
close(fd);
|
|
|
|
return;
|
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
char uid[128];
|
|
|
|
char namebuf[128];
|
|
|
|
String name = "";
|
|
|
|
input_id inpid;
|
|
|
|
if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) >= 0) {
|
|
|
|
name = namebuf;
|
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
if (ioctl(fd, EVIOCGID, &inpid) < 0) {
|
|
|
|
close(fd);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2017-01-08 20:05:51 +00:00
|
|
|
joypads[joy_num].reset();
|
2016-01-26 22:04:57 +00:00
|
|
|
|
2017-01-08 20:05:51 +00:00
|
|
|
Joypad &joy = joypads[joy_num];
|
2016-01-26 22:04:57 +00:00
|
|
|
joy.fd = fd;
|
|
|
|
joy.devpath = String(p_path);
|
2017-01-08 20:05:51 +00:00
|
|
|
setup_joypad_properties(joy_num);
|
2019-03-05 21:17:20 +00:00
|
|
|
sprintf(uid, "%04x%04x", BSWAP16(inpid.bustype), 0);
|
2016-01-26 22:04:57 +00:00
|
|
|
if (inpid.vendor && inpid.product && inpid.version) {
|
2019-03-05 21:17:20 +00:00
|
|
|
uint16_t vendor = BSWAP16(inpid.vendor);
|
|
|
|
uint16_t product = BSWAP16(inpid.product);
|
|
|
|
uint16_t version = BSWAP16(inpid.version);
|
2016-01-26 22:04:57 +00:00
|
|
|
|
2017-03-05 15:44:50 +00:00
|
|
|
sprintf(uid + String(uid).length(), "%04x%04x%04x%04x%04x%04x", vendor, 0, product, 0, version, 0);
|
2016-01-26 22:04:57 +00:00
|
|
|
input->joy_connection_changed(joy_num, true, name, uid);
|
2017-03-05 15:44:50 +00:00
|
|
|
} else {
|
2016-01-26 22:04:57 +00:00
|
|
|
String uidname = uid;
|
|
|
|
int uidlen = MIN(name.length(), 11);
|
2017-03-05 15:44:50 +00:00
|
|
|
for (int i = 0; i < uidlen; i++) {
|
2016-01-26 22:04:57 +00:00
|
|
|
uidname = uidname + _hex_str(name[i]);
|
|
|
|
}
|
|
|
|
uidname += "00";
|
|
|
|
input->joy_connection_changed(joy_num, true, name, uidname);
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
|
|
|
}
|
2015-12-18 05:12:53 +00:00
|
|
|
}
|
|
|
|
|
2017-03-05 15:44:50 +00:00
|
|
|
void JoypadLinux::joypad_vibration_start(int p_id, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp) {
|
|
|
|
Joypad &joy = joypads[p_id];
|
2016-06-15 05:25:35 +00:00
|
|
|
if (!joy.force_feedback || joy.fd == -1 || p_weak_magnitude < 0.f || p_weak_magnitude > 1.f || p_strong_magnitude < 0.f || p_strong_magnitude > 1.f) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (joy.ff_effect_id != -1) {
|
2017-01-08 20:05:51 +00:00
|
|
|
joypad_vibration_stop(p_id, p_timestamp);
|
2016-06-15 05:25:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
struct ff_effect effect;
|
|
|
|
effect.type = FF_RUMBLE;
|
|
|
|
effect.id = -1;
|
|
|
|
effect.u.rumble.weak_magnitude = floor(p_weak_magnitude * (float)0xffff);
|
|
|
|
effect.u.rumble.strong_magnitude = floor(p_strong_magnitude * (float)0xffff);
|
|
|
|
effect.replay.length = floor(p_duration * 1000);
|
|
|
|
effect.replay.delay = 0;
|
|
|
|
|
|
|
|
if (ioctl(joy.fd, EVIOCSFF, &effect) < 0) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct input_event play;
|
|
|
|
play.type = EV_FF;
|
|
|
|
play.code = effect.id;
|
|
|
|
play.value = 1;
|
2019-06-19 08:41:07 +00:00
|
|
|
if (write(joy.fd, (const void *)&play, sizeof(play)) == -1) {
|
|
|
|
print_verbose("Couldn't write to Joypad device.");
|
|
|
|
}
|
2016-06-15 05:25:35 +00:00
|
|
|
|
|
|
|
joy.ff_effect_id = effect.id;
|
|
|
|
joy.ff_effect_timestamp = p_timestamp;
|
|
|
|
}
|
|
|
|
|
2017-03-05 15:44:50 +00:00
|
|
|
void JoypadLinux::joypad_vibration_stop(int p_id, uint64_t p_timestamp) {
|
|
|
|
Joypad &joy = joypads[p_id];
|
2016-06-15 05:25:35 +00:00
|
|
|
if (!joy.force_feedback || joy.fd == -1 || joy.ff_effect_id == -1) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2016-06-20 09:01:07 +00:00
|
|
|
if (ioctl(joy.fd, EVIOCRMFF, joy.ff_effect_id) < 0) {
|
|
|
|
return;
|
|
|
|
}
|
2016-06-15 05:25:35 +00:00
|
|
|
|
|
|
|
joy.ff_effect_id = -1;
|
|
|
|
joy.ff_effect_timestamp = p_timestamp;
|
|
|
|
}
|
|
|
|
|
2021-12-25 09:29:08 +00:00
|
|
|
float JoypadLinux::axis_correct(const input_absinfo *p_abs, int p_value) const {
|
2015-12-18 18:15:32 +00:00
|
|
|
int min = p_abs->minimum;
|
|
|
|
int max = p_abs->maximum;
|
2021-12-25 09:29:08 +00:00
|
|
|
// Convert to a value between -1.0f and 1.0f.
|
|
|
|
return 2.0f * (p_value - min) / (max - min) - 1.0f;
|
2015-12-18 05:12:53 +00:00
|
|
|
}
|
|
|
|
|
2017-03-26 13:59:13 +00:00
|
|
|
void JoypadLinux::process_joypads() {
|
2020-02-26 10:28:13 +00:00
|
|
|
if (joy_mutex.try_lock() != OK) {
|
2017-03-26 13:59:13 +00:00
|
|
|
return;
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
2017-03-05 15:44:50 +00:00
|
|
|
for (int i = 0; i < JOYPADS_MAX; i++) {
|
2020-05-14 14:41:43 +00:00
|
|
|
if (joypads[i].fd == -1) {
|
2020-05-10 10:56:01 +00:00
|
|
|
continue;
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
input_event events[32];
|
2017-03-05 15:44:50 +00:00
|
|
|
Joypad *joy = &joypads[i];
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
int len;
|
2015-12-18 18:15:32 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
while ((len = read(joy->fd, events, (sizeof events))) > 0) {
|
|
|
|
len /= sizeof(events[0]);
|
|
|
|
for (int j = 0; j < len; j++) {
|
|
|
|
input_event &ev = events[j];
|
2016-02-28 19:20:59 +00:00
|
|
|
|
|
|
|
// ev may be tainted and out of MAX_KEY range, which will cause
|
|
|
|
// joy->key_map[ev.code] to crash
|
2020-05-14 14:41:43 +00:00
|
|
|
if (ev.code >= MAX_KEY) {
|
2017-03-26 13:59:13 +00:00
|
|
|
return;
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
2016-02-28 19:20:59 +00:00
|
|
|
|
2016-01-26 22:04:57 +00:00
|
|
|
switch (ev.type) {
|
2017-03-05 15:44:50 +00:00
|
|
|
case EV_KEY:
|
2021-03-25 20:56:12 +00:00
|
|
|
input->joy_button(i, (JoyButton)joy->key_map[ev.code], ev.value);
|
2016-01-26 22:04:57 +00:00
|
|
|
break;
|
|
|
|
|
2017-03-05 15:44:50 +00:00
|
|
|
case EV_ABS:
|
|
|
|
|
|
|
|
switch (ev.code) {
|
|
|
|
case ABS_HAT0X:
|
|
|
|
if (ev.value != 0) {
|
2020-05-14 14:41:43 +00:00
|
|
|
if (ev.value < 0) {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad = (HatMask)((joy->dpad | HatMask::LEFT) & ~HatMask::RIGHT);
|
2020-05-14 14:41:43 +00:00
|
|
|
} else {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad = (HatMask)((joy->dpad | HatMask::RIGHT) & ~HatMask::LEFT);
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
|
|
|
} else {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad &= ~(HatMask::LEFT | HatMask::RIGHT);
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
2017-03-05 15:44:50 +00:00
|
|
|
|
2021-03-25 20:56:12 +00:00
|
|
|
input->joy_hat(i, (HatMask)joy->dpad);
|
2017-03-05 15:44:50 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ABS_HAT0Y:
|
|
|
|
if (ev.value != 0) {
|
2020-05-14 14:41:43 +00:00
|
|
|
if (ev.value < 0) {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad = (HatMask)((joy->dpad | HatMask::UP) & ~HatMask::DOWN);
|
2020-05-14 14:41:43 +00:00
|
|
|
} else {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad = (HatMask)((joy->dpad | HatMask::DOWN) & ~HatMask::UP);
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
|
|
|
} else {
|
2021-08-13 21:31:57 +00:00
|
|
|
joy->dpad &= ~(HatMask::UP | HatMask::DOWN);
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
2017-03-05 15:44:50 +00:00
|
|
|
|
2021-03-25 20:56:12 +00:00
|
|
|
input->joy_hat(i, (HatMask)joy->dpad);
|
2017-03-05 15:44:50 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2020-05-14 14:41:43 +00:00
|
|
|
if (ev.code >= MAX_ABS) {
|
2019-07-23 07:14:31 +00:00
|
|
|
return;
|
2020-05-14 14:41:43 +00:00
|
|
|
}
|
2017-03-05 15:44:50 +00:00
|
|
|
if (joy->abs_map[ev.code] != -1 && joy->abs_info[ev.code]) {
|
2021-12-25 09:29:08 +00:00
|
|
|
float value = axis_correct(joy->abs_info[ev.code], ev.value);
|
2017-03-05 15:44:50 +00:00
|
|
|
joy->curr_axis[joy->abs_map[ev.code]] = value;
|
|
|
|
}
|
|
|
|
break;
|
2016-01-26 22:04:57 +00:00
|
|
|
}
|
|
|
|
break;
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2016-01-03 01:24:43 +00:00
|
|
|
for (int j = 0; j < MAX_ABS; j++) {
|
|
|
|
int index = joy->abs_map[j];
|
|
|
|
if (index != -1) {
|
2021-03-25 20:56:12 +00:00
|
|
|
input->joy_axis(i, (JoyAxis)index, joy->curr_axis[index]);
|
2016-01-03 01:24:43 +00:00
|
|
|
}
|
|
|
|
}
|
2016-02-14 14:13:11 +00:00
|
|
|
if (len == 0 || (len < 0 && errno != EAGAIN)) {
|
2017-01-08 20:05:51 +00:00
|
|
|
close_joypad(i);
|
2016-02-14 14:13:11 +00:00
|
|
|
};
|
2016-06-15 05:25:35 +00:00
|
|
|
|
|
|
|
if (joy->force_feedback) {
|
|
|
|
uint64_t timestamp = input->get_joy_vibration_timestamp(i);
|
|
|
|
if (timestamp > joy->ff_effect_timestamp) {
|
|
|
|
Vector2 strength = input->get_joy_vibration_strength(i);
|
|
|
|
float duration = input->get_joy_vibration_duration(i);
|
|
|
|
if (strength.x == 0 && strength.y == 0) {
|
2017-01-08 20:05:51 +00:00
|
|
|
joypad_vibration_stop(i, timestamp);
|
2016-06-15 05:25:35 +00:00
|
|
|
} else {
|
2017-01-08 20:05:51 +00:00
|
|
|
joypad_vibration_start(i, strength.x, strength.y, duration, timestamp);
|
2016-06-15 05:25:35 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-12-18 18:15:32 +00:00
|
|
|
}
|
2020-02-26 10:28:13 +00:00
|
|
|
joy_mutex.unlock();
|
2015-12-18 05:12:53 +00:00
|
|
|
}
|
|
|
|
#endif
|